Shop Boys's at RalphLauren.com, the Official Site of Ralph Lauren. Cotton V-Neck Sweater Vest - This comfy sweater vest is crafted from soft cotton and features our signature embroidered pony. Ribbed V-neckline. Sleeveless silhouette with ribbed armholes. Ribbed hem. Our signature embroidered pony accents the left chest. 100% cotton. Machine washable. Imported.